256528014535 has 16 divisors (see below), whose sum is σ = 331741406304. Its totient is φ = 189305626752.

The previous prime is 256528014527. The next prime is 256528014541. The reversal of 256528014535 is 535410825652.

It is a cyclic number.

It is not a de Polignac number, because 256528014535 - 2³ = 256528014527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1263637 + ... + 1452526.

It is an arithmetic number, because the mean of its divisors is an integer number (20733837894).

Almost surely, 2^256528014535 is an apocalyptic number.

256528014535 is a deficient number, since it is larger than the sum of its proper divisors (75213391769).

256528014535 is a wasteful number, since it uses less digits than its factorization.

256528014535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717634.

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 256528014535 in words is "two hundred fifty-six billion, five hundred twenty-eight million, fourteen thousand, five hundred thirty-five".